AT48784B - Process for the preparation of solid, durable mixtures which produce hydrogen peroxide with water. - Google Patents
Process for the preparation of solid, durable mixtures which produce hydrogen peroxide with water.Info
- Publication number
- AT48784B AT48784B AT48784DA AT48784B AT 48784 B AT48784 B AT 48784B AT 48784D A AT48784D A AT 48784DA AT 48784 B AT48784 B AT 48784B
- Authority
- AT
- Austria
- Prior art keywords
- water
- hydrogen peroxide
- solid
- mixtures
- durable
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 10
- 239000000203 mixture Substances 0.000 title claims description 9
- 239000007787 solid Substances 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 3
- 238000002360 preparation method Methods 0.000 title claims description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title description 16
- 239000000126 substance Substances 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000002253 acid Substances 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000011973 solid acid Substances 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
Landscapes
- Detergent Compositions (AREA)
Description
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Verfahren zur Darstellung von festen, haltbaren, mit Wasser Wasserstoffsuperoxyd liefernden Gemischen.
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stanzen von Interesse, die erst bei Zutritt von Wasser Wasserstoffsuperoxyd in Freiheit setzen. Versucht man diese Aufgabe dadurch zu lösen, dass man feste Perborate, z. B. das technisch wichtige Natriumperborat Na B 03 + 4 aq, mit festen Säuren pulverförmig mischt, so sieht man, dass die an sich festen Substanzen sich rasch oder beim Mischen bereits umsetzen unter teilweiser Verflüssigung, wobei sich eine von Salzen durchsetzte konzentrierte
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Dagegen wurde die Beobachtung gemacht, dass man jene Aufeinanderwirkung verhindern kann, wenn man den I'erboraten zuvor das Kristallwasser ganz oder teilweise entzieht.
Mischt man von diesem ganz oder teilweise entwässerten Perhoraten 1 Mol. mit 1 Mol. oder auch mehr einer festen Säure, organischen wie anorganischen, oder eines sauren Salzes, so lassen sich diese ohne gegenseitige Einwirkung miteinander innig verreiben ; man erhält ein trockenes Pulver, das haltbar ist, ohne dass eine Verflüssigung oder Umsetzung eintritt. In vielen Fällen ist es dabei nicht einmal nötig, dass die saure Substanz frei von Kristallwasser ist. Die Haltbarkeit der neuen Produkte war nicht vorauszusehen,
EMI1.3
geht. Nimmt man von der festen Säure so viel, dass auf 1 Mol. Perborat 1 Mol. von freiem Säurerest kommt, z.
B. 1/3 Mol. freier Zitronensäure oder 1 Mol. saures Tartrat, so erhält mau beim Zersetzen des Gemisches mit Wasser das entsprechende Salz der angewendeten Säure und freie Überborsäure, die dann entsprechend ihrer Unbeständigkeit in Borsäure und Wasserstoffsuperoxyd, beide in demselben Sinne wertvolle Komponenten, zerfällt, Sind gleichzeitig zersetzende oder katalytisch wirkende Substanzen vorhanden, so erhält man statt des Wasserstoffsuperoxyds Sauerstoff.
Wählt man fernor solche Säuren und solche Perùoratc, dass die daraus später entstehenden Salze eine besondere Eigenschaft haben, so ergibt sich, dass man auf diese Weise in der Lage ist, dem mit Wasser entstehenden Produkt einen
EMI1.4
und höheren Fettsäuren als Nebenprodukt Seifen, die mit Borsäure und Wasserstoffsuper- oxyd zusammen ein wertvolles Gemisch bilden,
Während Wasser die neuen Mischungen rasch in dem beschriebenen Sinne umsetzt, sind andere Substanzen, wie z. B.
Desinfektionsmittel, Riechstoffe, katalysatoren, Seifen, Zucker, Karbonate, die man zu bestimmten Zwecken zusetzen kann, bei Abwesenheit von Wasser ohne zersetzenden Einfluss.
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sind vor allem dazu bestimmt, Lösungen von Wasserstoffsuperoxyd herzustellen. Es zeigte sich aber auch, dass man die neuen Mischungen auch zur innerlichen Darreichung in der Medizin verwenden kann und dies wird gerade dadurch besonders erleichtert, dass man gewisse Zusätze macht. So sind z. B. Mischungen der beschriebenen Substanzen mit Zucker
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für die Desinfektion der Mund- und Rachenhöhle besonders geeignet. Die Form, in, der diese Zuckermischungen vorteilhaft verwendet worden, ist die der Tabletten.
Zu solchen Mischungen mit Zucker bei dieser Verwendung zu greifen, ist zweckdienlich, da die be-
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an latentem Wasserstoffsuperoxyd zu stark wirken.
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Process for the preparation of solid, durable mixtures which produce hydrogen peroxide with water.
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punches of interest that only release hydrogen peroxide when water is exposed. If one tries to solve this problem, that one fixed perborate, z. B. the technically important sodium perborate Na B 03 + 4 aq, mixed with solid acids in powder form, one can see that the substances that are solid per se are converted quickly or when mixed with partial liquefaction, with one interspersed with salts becoming concentrated
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On the other hand, the observation was made that this interaction can be prevented if the water of crystallization is completely or partially removed from the borates beforehand.
If 1 mol of this completely or partially dehydrated perhorate is mixed with 1 mol or even more of a solid acid, organic as well as inorganic, or an acidic salt, these can be thoroughly rubbed together without any mutual action; a dry powder is obtained which can be kept without liquefaction or conversion occurring. In many cases it is not even necessary that the acidic substance is free of crystal water. The shelf life of the new products could not be foreseen,
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goes. If you take so much of the solid acid that there is 1 mole of free acid residue for every 1 mole of perborate, e.g.
B. 1/3 mol. Of free citric acid or 1 mol. Of acidic tartrate, when the mixture is decomposed with water, the corresponding salt of the acid used and free superboric acid are obtained, which are then both valuable in the same sense according to their instability in boric acid and hydrogen peroxide Components, disintegrates, If decomposing or catalytically active substances are present at the same time, oxygen is obtained instead of hydrogen peroxide.
Furthermore, if one chooses such acids and such perùoratc that the salts subsequently formed from them have a special property, it follows that in this way one is able to unite the product formed with water
EMI1.4
and higher fatty acids as a by-product soaps which, together with boric acid and hydrogen peroxide, form a valuable mixture,
While water converts the new mixtures quickly in the sense described, other substances, such as. B.
Disinfectants, odoriferous substances, catalysts, soaps, sugar, carbonates, which can be added for certain purposes, in the absence of water without any decomposing influence.
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are primarily intended to produce solutions of hydrogen peroxide. However, it was also shown that the new mixtures can also be used for internal administration in medicine, and this is particularly facilitated by the fact that certain additives are made. So are z. B. Mixtures of the substances described with sugar
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particularly suitable for disinfecting the oral and pharynx. The form in which these sugar mixes have been advantageously used is that of the tablets.
Using such mixtures with sugar in this way is expedient because the
EMI2.1
act too strongly on latent hydrogen peroxide.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE48784X | 1908-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT48784B true AT48784B (en) | 1911-07-10 |
Family
ID=5626103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT48784D AT48784B (en) | 1908-04-14 | 1909-03-24 | Process for the preparation of solid, durable mixtures which produce hydrogen peroxide with water. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT48784B (en) |
-
1909
- 1909-03-24 AT AT48784D patent/AT48784B/en active
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